. >>> president obama sent a message to our troops overseas today. >> we give thanks for all our men and women in uniform and for their families who are surely missing them very much today. >> this is the 12th year troops are in afghanistan. there are over 47,000 americans there. afghan president is refusing to sign a security deal that would keep 8,000 u.s. troops in the country after the official pullout next year. if an agreement is not reached, this could be the last thanksgiving u.s. troops spend in afghanistan. >>> this week we brought you an inspiring story of hundreds of people committing random acts of kindness all to remember a little toddler from frederick, maryland, who died tragically six months ago. today debra alfarone set out to see how they're reaping rewards for everyone involved. >> reporter: remember this? >> even in her death she's doing amazing things. >> reporter: hundreds across the country are performing random acts of kindness and sharing marra's story. the dawdler died in a tragic accident six months ago. on facebook, people are telling their stories. >> we